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  _____      ___      ____      ______   _____    
 / ____||   / _ \\   |  _ \\   /_   _// |  __ \\  
/ //---`'  | / \ ||  | |_| ||   -| ||-  | |  \ || 
\ \\___    | \_/ ||  | .  //    _| ||_  | |__/ || 
 \_____||   \___//   |_|\_\\   /_____// |_____//  
  `----`    `---`    `-` --`   `-----`   -----`

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發送短信 : Design and implementation of telemetry on an Arduino-based vending machine via SMS